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United Nations Environment Programme ,  [Tourism and mountains: a practical guide to managing the environmental and social impacts of mountain tours] ,  Tourism and mountains: a practical guide to managing the environmental and social impacts of mountain tours

United Nations Environment Programme ,  United Nations Educational, Scientific and Cultural Organization (United Nations Educational Scientific and Cultural Organization) ,  Union of Concerned Scientists ,  [World heritage and tourism in a changing climate] ,  World heritage and tourism in a changing climate

United Nations Environment Programme ,  Intergovernmental Oceanographic Commission of the United Nations Educational Scientific and Cultural Organization ,  [Transboundary Waters Assessment Programme (TWAP) Vol. 4: Large Marine Ecosystems - A Global Comparative Assessment of Baseline: Status and Future Trends] ,  Transboundary Waters Assessment Programme (TWAP) Vol. 4: Large Marine Ecosystems - A Global Comparative Assessment of Baseline: Status and Future Trends

Bosnia and Herzegovina. Ministry of Foreign Trade and Economic Relations ,  [State of the environment report of Bosnia and Herzegovina 2012] ,  State of the environment report of Bosnia and Herzegovina 2012

Environmental Protection Agency of Montenegro ,  [Indicator-based state of the environment report of Montenegro] ,  Indicator-based state of the environment report of Montenegro

United Nations Environment Programme ,  [Tourism and Coastal Resources Degradation in the Wider Caribbean] ,  Tourism and Coastal Resources Degradation in the Wider Caribbean

United Nations Environment Programme ,  [Transboundary diagnostic analysis (T.D.A.) for the Mediterranean sea] ,  Transboundary diagnostic analysis (T.D.A.) for the Mediterranean sea

United Nations Environment Programme ,  International Hotel & Restaurant Association Environmental ,  [Environmental Good Practice in Hotels: Case Studies from the International Hotel & Restaurant Association Environmental Award] ,  Environmental Good Practice in Hotels: Case Studies from the International Hotel & Restaurant Association Environmental Award

United Nations Environment Programme ,  [A manual for water and waste management: what the tourism industry can do to improve its performance] ,  A manual for water and waste management: what the tourism industry can do to improve its performance

United Nations Environment Programme ,  The International Ecotourism Society ,  [Tourism in the Polar Regions: The Sustainability Challenge] ,  Tourism in the Polar Regions: The Sustainability Challenge